200 



r. br. Roof of the pie-branchial chamber. 

 ret. Cells of the retinula. 

 rhab. Rhabdome. 

 rost. Rostrum. 



S 1 . 1!) . Sterna of somites 1 to 19. 



s. a 1 . Socket of first antenna. 



s. a 2 . Socket of second antenna. 



sa. art. Superior abdominal artery. 



s. amp. Supra-ampullary wall of the pyloric region of the fore-gut. 



sal. g. Salivary (o:sophageal) glands. 



s. art. Sternal artery. 



sb. Striated border of the cell. 



scaph. Scaphognathite. 



s. ch. Blood sinus from the chela. 



s. dt. Subdentary ossicle. 



s. h., s. hr. Sub-hepatic region of carapace. 



s. 1. Supraciliary lobe. 



s. Ib. Supra-hepatic lobe of the bladder. 



s. mx. 2. Blood sinus from the second maxillipede. 



s. mx. 3. Blood sinus from the third maxillipede. 



s. Pi.s. P. 4. Blood sinus from the walking legs 1 to 4. 



sp. a. Frontal spine. 



sp. d. Dorsal spine. 



sp. 1. Lateral spine. 



spt. Spermatheca. 



st. Stalk of the egg attached to the seta of the endopodite. 



st. g. Stomatogastric ganglion. 



st. i. Inferior root of the Stomatogastric nerve. 



st. n. Stomatogastric nerve. 



st. s. Superior root of the Stomatogastric nerve. 



t. e. ex. Tendon of the extensor muscle of the exopodite. 



tel. Telson. 



test. Testis. 



t. ex. ab. Tendon of the external abductor muscle of the mandibles 



t. ex. ad. Tendon of the external adductor muscle of the mandible. 



t. ex. M. Tendon of the extensor muscle of the meropodite. 



t. f. ex. Tendon of the flexor muscle of the exopodite. 



t. g., t. gm. Ventral thoracic nerve mass. 



t. int. ad. Tendon of the internal adductor muscle of the mandible. 



t. n. Tegumentary nerve. 



tu. Renal tubule of the labyrinth. 



M. c. Urocardiac ossicle. 

 up. f. Uropyloric fold. 

 it. py. Uropyloric ossicle. 



v. Globules in the epithelial cells of the mid-gut. 



Ixi/. Pyloric valves. 



v. d. Vas deferens. 



v. ex. C. Tendon of the ventral extensor muscle of the coxopodite. 



v. f. ex. Ventral flexor muscle of the exopodite. 



vit. Vitrella (cells of the ommatidium). 



v. m. -Egg membranes. 



v. oe. g. Ventral ossophageal cutaneous glands. 



y. c. Young cells of the tubules of the digestive gland. 

 y. gr. Yolk granules. 



2. c. Zygocardiac ossicle. 



